221211140200 has 48 divisors (see below), whose sum is σ = 514412923680. Its totient is φ = 88467764160.

The previous prime is 221211140197. The next prime is 221211140231. The reversal of 221211140200 is 2041112122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 986997 + ... + 1190203.

It is an arithmetic number, because the mean of its divisors is an integer number (10716935910).

Almost surely, 2^221211140200 is an apocalyptic number.

221211140200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221211140200 is an abundant number, since it is smaller than the sum of its proper divisors (293201783480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221211140200 is a wasteful number, since it uses less digits than its factorization.

221211140200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208666 (or 208657 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221211140200 its reverse (2041112122), we get a palindrome (223252252322).

The spelling of 221211140200 in words is "two hundred twenty-one billion, two hundred eleven million, one hundred forty thousand, two hundred".